<form name="modulo" method="post" onSubmit="Controllo()">
<select name="lista" onChange="document.modulo.submit();">
<option value="brusson" <%if loc="brusson" then%> selected <%end if%>>Brusson</option>
<option value="gaby" <%if loc="gaby" then%> selected <%end if%>>Gaby</option>
<option value="valgrisenche" <%if loc="valgrisenche" then%> selected <%end if%>>Valgrisenche</option>
<option value="rhemes" <%if loc="rhemes" then%> selected <%end if%>>Rhemes
Notre Dame</option>
<option value="pila" <%if loc="pila" then%> selected <%end if%>>Pila</option>
<option value="champorcher" <%if loc="champorcher" then%> selected <%end if%>>Champorcher</option>
</select>

<input name="Button" type="submit" value="Vai">
</form>